Jenny Stiles wrote:
> Mulberry trees are fairly common in Australia. My sister, my aunt and my
> brother-in-law all have large ones in their gardens. Lots of school children
> raise silkworms, which of course only eat mulberry leaves.

That rings a faint bell: wasn't there an attempt at some point to
plant mulberry trees in England for the purpose of rearing silkworms
in order to reduce the cost of silk?